1 /* 2 * QEMU NE2000 emulation -- isa bus windup 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "hw/hw.h" 25 #include "hw/i386/pc.h" 26 #include "hw/isa/isa.h" 27 #include "hw/qdev.h" 28 #include "net/net.h" 29 #include "ne2000.h" 30 #include "exec/address-spaces.h" 31 #include "qapi/visitor.h" 32 33 #define TYPE_ISA_NE2000 "ne2k_isa" 34 #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000) 35 36 typedef struct ISANE2000State { 37 ISADevice parent_obj; 38 39 uint32_t iobase; 40 uint32_t isairq; 41 NE2000State ne2000; 42 } ISANE2000State; 43 44 static void isa_ne2000_cleanup(NetClientState *nc) 45 { 46 NE2000State *s = qemu_get_nic_opaque(nc); 47 48 s->nic = NULL; 49 } 50 51 static NetClientInfo net_ne2000_isa_info = { 52 .type = NET_CLIENT_OPTIONS_KIND_NIC, 53 .size = sizeof(NICState), 54 .can_receive = ne2000_can_receive, 55 .receive = ne2000_receive, 56 .cleanup = isa_ne2000_cleanup, 57 }; 58 59 static const VMStateDescription vmstate_isa_ne2000 = { 60 .name = "ne2000", 61 .version_id = 2, 62 .minimum_version_id = 0, 63 .fields = (VMStateField[]) { 64 VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State), 65 VMSTATE_END_OF_LIST() 66 } 67 }; 68 69 static void isa_ne2000_realizefn(DeviceState *dev, Error **errp) 70 { 71 ISADevice *isadev = ISA_DEVICE(dev); 72 ISANE2000State *isa = ISA_NE2000(dev); 73 NE2000State *s = &isa->ne2000; 74 75 ne2000_setup_io(s, DEVICE(isadev), 0x20); 76 isa_register_ioport(isadev, &s->io, isa->iobase); 77 78 isa_init_irq(isadev, &s->irq, isa->isairq); 79 80 qemu_macaddr_default_if_unset(&s->c.macaddr); 81 ne2000_reset(s); 82 83 s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c, 84 object_get_typename(OBJECT(dev)), dev->id, s); 85 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); 86 } 87 88 static Property ne2000_isa_properties[] = { 89 DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300), 90 DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), 91 DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), 92 DEFINE_PROP_END_OF_LIST(), 93 }; 94 95 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data) 96 { 97 DeviceClass *dc = DEVICE_CLASS(klass); 98 99 dc->realize = isa_ne2000_realizefn; 100 dc->props = ne2000_isa_properties; 101 dc->vmsd = &vmstate_isa_ne2000; 102 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 103 } 104 105 static void isa_ne2000_get_bootindex(Object *obj, Visitor *v, void *opaque, 106 const char *name, Error **errp) 107 { 108 ISANE2000State *isa = ISA_NE2000(obj); 109 NE2000State *s = &isa->ne2000; 110 111 visit_type_int32(v, &s->c.bootindex, name, errp); 112 } 113 114 static void isa_ne2000_set_bootindex(Object *obj, Visitor *v, void *opaque, 115 const char *name, Error **errp) 116 { 117 ISANE2000State *isa = ISA_NE2000(obj); 118 NE2000State *s = &isa->ne2000; 119 int32_t boot_index; 120 Error *local_err = NULL; 121 122 visit_type_int32(v, &boot_index, name, &local_err); 123 if (local_err) { 124 goto out; 125 } 126 /* check whether bootindex is present in fw_boot_order list */ 127 check_boot_index(boot_index, &local_err); 128 if (local_err) { 129 goto out; 130 } 131 /* change bootindex to a new one */ 132 s->c.bootindex = boot_index; 133 134 out: 135 if (local_err) { 136 error_propagate(errp, local_err); 137 } 138 } 139 140 static void isa_ne2000_instance_init(Object *obj) 141 { 142 object_property_add(obj, "bootindex", "int32", 143 isa_ne2000_get_bootindex, 144 isa_ne2000_set_bootindex, NULL, NULL, NULL); 145 object_property_set_int(obj, -1, "bootindex", NULL); 146 } 147 static const TypeInfo ne2000_isa_info = { 148 .name = TYPE_ISA_NE2000, 149 .parent = TYPE_ISA_DEVICE, 150 .instance_size = sizeof(ISANE2000State), 151 .class_init = isa_ne2000_class_initfn, 152 .instance_init = isa_ne2000_instance_init, 153 }; 154 155 static void ne2000_isa_register_types(void) 156 { 157 type_register_static(&ne2000_isa_info); 158 } 159 160 type_init(ne2000_isa_register_types) 161